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  1. /**
  2.  * \file drm.h
  3.  * Header for the Direct Rendering Manager
  4.  *
  5.  * \author Rickard E. (Rik) Faith <faith@valinux.com>
  6.  *
  7.  * \par Acknowledgments:
  8.  * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg.
  9.  */
  10.  
  11. /*
  12.  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  13.  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  14.  * All rights reserved.
  15.  *
  16.  * Permission is hereby granted, free of charge, to any person obtaining a
  17.  * copy of this software and associated documentation files (the "Software"),
  18.  * to deal in the Software without restriction, including without limitation
  19.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  20.  * and/or sell copies of the Software, and to permit persons to whom the
  21.  * Software is furnished to do so, subject to the following conditions:
  22.  *
  23.  * The above copyright notice and this permission notice (including the next
  24.  * paragraph) shall be included in all copies or substantial portions of the
  25.  * Software.
  26.  *
  27.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  28.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  29.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  30.  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  31.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  32.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  33.  * OTHER DEALINGS IN THE SOFTWARE.
  34.  */
  35.  
  36. #ifndef _DRM_H_
  37. #define _DRM_H_
  38.  
  39. #include <linux/types.h>
  40. #include <errno-base.h>
  41. typedef unsigned int drm_handle_t;
  42.  
  43. //#include <asm/ioctl.h>     /* For _IO* macros */
  44.  
  45. #define DRM_MAJOR       226
  46. #define DRM_MAX_MINOR   15
  47.  
  48. #define DRM_NAME        "drm"     /**< Name in kernel, /dev, and /proc */
  49. #define DRM_MIN_ORDER   5         /**< At least 2^5 bytes = 32 bytes */
  50. #define DRM_MAX_ORDER   22        /**< Up to 2^22 bytes = 4MB */
  51. #define DRM_RAM_PERCENT 10        /**< How much system ram can we lock? */
  52.  
  53. #define _DRM_LOCK_HELD  0x80000000U /**< Hardware lock is held */
  54. #define _DRM_LOCK_CONT  0x40000000U /**< Hardware lock is contended */
  55. #define _DRM_LOCK_IS_HELD(lock)    ((lock) & _DRM_LOCK_HELD)
  56. #define _DRM_LOCK_IS_CONT(lock)    ((lock) & _DRM_LOCK_CONT)
  57. #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
  58.  
  59. typedef unsigned int drm_context_t;
  60. typedef unsigned int drm_drawable_t;
  61. typedef unsigned int drm_magic_t;
  62.  
  63. /**
  64.  * Cliprect.
  65.  *
  66.  * \warning: If you change this structure, make sure you change
  67.  * XF86DRIClipRectRec in the server as well
  68.  *
  69.  * \note KW: Actually it's illegal to change either for
  70.  * backwards-compatibility reasons.
  71.  */
  72. struct drm_clip_rect {
  73.         unsigned short x1;
  74.         unsigned short y1;
  75.         unsigned short x2;
  76.         unsigned short y2;
  77. };
  78.  
  79. /**
  80.  * Drawable information.
  81.  */
  82. struct drm_drawable_info {
  83.         unsigned int num_rects;
  84.         struct drm_clip_rect *rects;
  85. };
  86.  
  87. /**
  88.  * Texture region,
  89.  */
  90. struct drm_tex_region {
  91.         unsigned char next;
  92.         unsigned char prev;
  93.         unsigned char in_use;
  94.         unsigned char padding;
  95.         unsigned int age;
  96. };
  97.  
  98. /**
  99.  * Hardware lock.
  100.  *
  101.  * The lock structure is a simple cache-line aligned integer.  To avoid
  102.  * processor bus contention on a multiprocessor system, there should not be any
  103.  * other data stored in the same cache line.
  104.  */
  105. struct drm_hw_lock {
  106.         __volatile__ unsigned int lock;         /**< lock variable */
  107.         char padding[60];                       /**< Pad to cache line */
  108. };
  109.  
  110. /**
  111.  * DRM_IOCTL_VERSION ioctl argument type.
  112.  *
  113.  * \sa drmGetVersion().
  114.  */
  115. struct drm_version {
  116.         int version_major;        /**< Major version */
  117.         int version_minor;        /**< Minor version */
  118.         int version_patchlevel;   /**< Patch level */
  119.         size_t name_len;          /**< Length of name buffer */
  120.         char __user *name;        /**< Name of driver */
  121.         size_t date_len;          /**< Length of date buffer */
  122.         char __user *date;        /**< User-space buffer to hold date */
  123.         size_t desc_len;          /**< Length of desc buffer */
  124.         char __user *desc;        /**< User-space buffer to hold desc */
  125. };
  126.  
  127. /**
  128.  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
  129.  *
  130.  * \sa drmGetBusid() and drmSetBusId().
  131.  */
  132. struct drm_unique {
  133.         size_t unique_len;        /**< Length of unique */
  134.         char __user *unique;      /**< Unique name for driver instantiation */
  135. };
  136.  
  137. struct drm_list {
  138.         int count;                /**< Length of user-space structures */
  139.         struct drm_version __user *version;
  140. };
  141.  
  142. struct drm_block {
  143.         int unused;
  144. };
  145.  
  146. /**
  147.  * DRM_IOCTL_CONTROL ioctl argument type.
  148.  *
  149.  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
  150.  */
  151. struct drm_control {
  152.         enum {
  153.                 DRM_ADD_COMMAND,
  154.                 DRM_RM_COMMAND,
  155.                 DRM_INST_HANDLER,
  156.                 DRM_UNINST_HANDLER
  157.         } func;
  158.         int irq;
  159. };
  160.  
  161. /**
  162.  * Type of memory to map.
  163.  */
  164. enum drm_map_type {
  165.         _DRM_FRAME_BUFFER = 0,    /**< WC (no caching), no core dump */
  166.         _DRM_REGISTERS = 1,       /**< no caching, no core dump */
  167.         _DRM_SHM = 2,             /**< shared, cached */
  168.         _DRM_AGP = 3,             /**< AGP/GART */
  169.         _DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
  170.         _DRM_CONSISTENT = 5,      /**< Consistent memory for PCI DMA */
  171. };
  172.  
  173. /**
  174.  * Memory mapping flags.
  175.  */
  176. enum drm_map_flags {
  177.         _DRM_RESTRICTED = 0x01,      /**< Cannot be mapped to user-virtual */
  178.         _DRM_READ_ONLY = 0x02,
  179.         _DRM_LOCKED = 0x04,          /**< shared, cached, locked */
  180.         _DRM_KERNEL = 0x08,          /**< kernel requires access */
  181.         _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
  182.         _DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
  183.         _DRM_REMOVABLE = 0x40,       /**< Removable mapping */
  184.         _DRM_DRIVER = 0x80           /**< Managed by driver */
  185. };
  186.  
  187. struct drm_ctx_priv_map {
  188.         unsigned int ctx_id;     /**< Context requesting private mapping */
  189.         void *handle;            /**< Handle of map */
  190. };
  191.  
  192. /**
  193.  * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
  194.  * argument type.
  195.  *
  196.  * \sa drmAddMap().
  197.  */
  198. struct drm_map {
  199.         unsigned long offset;    /**< Requested physical address (0 for SAREA)*/
  200.         unsigned long size;      /**< Requested physical size (bytes) */
  201.         enum drm_map_type type;  /**< Type of memory to map */
  202.         enum drm_map_flags flags;        /**< Flags */
  203.         void *handle;            /**< User-space: "Handle" to pass to mmap() */
  204.                                  /**< Kernel-space: kernel-virtual address */
  205.         int mtrr;                /**< MTRR slot used */
  206.         /*   Private data */
  207. };
  208.  
  209. /**
  210.  * DRM_IOCTL_GET_CLIENT ioctl argument type.
  211.  */
  212. struct drm_client {
  213.         int idx;                /**< Which client desired? */
  214.         int auth;               /**< Is client authenticated? */
  215.         unsigned long pid;      /**< Process ID */
  216.         unsigned long uid;      /**< User ID */
  217.         unsigned long magic;    /**< Magic */
  218.         unsigned long iocs;     /**< Ioctl count */
  219. };
  220.  
  221. enum drm_stat_type {
  222.         _DRM_STAT_LOCK,
  223.         _DRM_STAT_OPENS,
  224.         _DRM_STAT_CLOSES,
  225.         _DRM_STAT_IOCTLS,
  226.         _DRM_STAT_LOCKS,
  227.         _DRM_STAT_UNLOCKS,
  228.         _DRM_STAT_VALUE,        /**< Generic value */
  229.         _DRM_STAT_BYTE,         /**< Generic byte counter (1024bytes/K) */
  230.         _DRM_STAT_COUNT,        /**< Generic non-byte counter (1000/k) */
  231.  
  232.         _DRM_STAT_IRQ,          /**< IRQ */
  233.         _DRM_STAT_PRIMARY,      /**< Primary DMA bytes */
  234.         _DRM_STAT_SECONDARY,    /**< Secondary DMA bytes */
  235.         _DRM_STAT_DMA,          /**< DMA */
  236.         _DRM_STAT_SPECIAL,      /**< Special DMA (e.g., priority or polled) */
  237.         _DRM_STAT_MISSED        /**< Missed DMA opportunity */
  238.             /* Add to the *END* of the list */
  239. };
  240.  
  241. /**
  242.  * DRM_IOCTL_GET_STATS ioctl argument type.
  243.  */
  244. struct drm_stats {
  245.         unsigned long count;
  246.         struct {
  247.                 unsigned long value;
  248.                 enum drm_stat_type type;
  249.         } data[15];
  250. };
  251.  
  252. /**
  253.  * Hardware locking flags.
  254.  */
  255. enum drm_lock_flags {
  256.         _DRM_LOCK_READY = 0x01,      /**< Wait until hardware is ready for DMA */
  257.         _DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
  258.         _DRM_LOCK_FLUSH = 0x04,      /**< Flush this context's DMA queue first */
  259.         _DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
  260.         /* These *HALT* flags aren't supported yet
  261.            -- they will be used to support the
  262.            full-screen DGA-like mode. */
  263.         _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
  264.         _DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
  265. };
  266.  
  267. /**
  268.  * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
  269.  *
  270.  * \sa drmGetLock() and drmUnlock().
  271.  */
  272. struct drm_lock {
  273.         int context;
  274.         enum drm_lock_flags flags;
  275. };
  276.  
  277. /**
  278.  * DMA flags
  279.  *
  280.  * \warning
  281.  * These values \e must match xf86drm.h.
  282.  *
  283.  * \sa drm_dma.
  284.  */
  285. enum drm_dma_flags {
  286.         /* Flags for DMA buffer dispatch */
  287.         _DRM_DMA_BLOCK = 0x01,        /**<
  288.                                        * Block until buffer dispatched.
  289.                                        *
  290.                                        * \note The buffer may not yet have
  291.                                        * been processed by the hardware --
  292.                                        * getting a hardware lock with the
  293.                                        * hardware quiescent will ensure
  294.                                        * that the buffer has been
  295.                                        * processed.
  296.                                        */
  297.         _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
  298.         _DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
  299.  
  300.         /* Flags for DMA buffer request */
  301.         _DRM_DMA_WAIT = 0x10,         /**< Wait for free buffers */
  302.         _DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers OK */
  303.         _DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers OK */
  304. };
  305.  
  306. /**
  307.  * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
  308.  *
  309.  * \sa drmAddBufs().
  310.  */
  311. struct drm_buf_desc {
  312.         int count;               /**< Number of buffers of this size */
  313.         int size;                /**< Size in bytes */
  314.         int low_mark;            /**< Low water mark */
  315.         int high_mark;           /**< High water mark */
  316.         enum {
  317.                 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
  318.                 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
  319.                 _DRM_SG_BUFFER = 0x04/**< Scatter/gather memory buffer */
  320.                 _DRM_FB_BUFFER = 0x08/**< Buffer is in frame buffer */
  321.                 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
  322.         } flags;
  323.         unsigned long agp_start; /**<
  324.                                   * Start address of where the AGP buffers are
  325.                                   * in the AGP aperture
  326.                                   */
  327. };
  328.  
  329. /**
  330.  * DRM_IOCTL_INFO_BUFS ioctl argument type.
  331.  */
  332. struct drm_buf_info {
  333.         int count;              /**< Entries in list */
  334.         struct drm_buf_desc __user *list;
  335. };
  336.  
  337. /**
  338.  * DRM_IOCTL_FREE_BUFS ioctl argument type.
  339.  */
  340. struct drm_buf_free {
  341.         int count;
  342.         int __user *list;
  343. };
  344.  
  345. /**
  346.  * Buffer information
  347.  *
  348.  * \sa drm_buf_map.
  349.  */
  350. struct drm_buf_pub {
  351.         int idx;                       /**< Index into the master buffer list */
  352.         int total;                     /**< Buffer size */
  353.         int used;                      /**< Amount of buffer in use (for DMA) */
  354.         void __user *address;          /**< Address of buffer */
  355. };
  356.  
  357. /**
  358.  * DRM_IOCTL_MAP_BUFS ioctl argument type.
  359.  */
  360. struct drm_buf_map {
  361.         int count;              /**< Length of the buffer list */
  362.         void __user *virtual;           /**< Mmap'd area in user-virtual */
  363.         struct drm_buf_pub __user *list;        /**< Buffer information */
  364. };
  365.  
  366. /**
  367.  * DRM_IOCTL_DMA ioctl argument type.
  368.  *
  369.  * Indices here refer to the offset into the buffer list in drm_buf_get.
  370.  *
  371.  * \sa drmDMA().
  372.  */
  373. struct drm_dma {
  374.         int context;                      /**< Context handle */
  375.         int send_count;                   /**< Number of buffers to send */
  376.         int __user *send_indices;         /**< List of handles to buffers */
  377.         int __user *send_sizes;           /**< Lengths of data to send */
  378.         enum drm_dma_flags flags;         /**< Flags */
  379.         int request_count;                /**< Number of buffers requested */
  380.         int request_size;                 /**< Desired size for buffers */
  381.         int __user *request_indices;      /**< Buffer information */
  382.         int __user *request_sizes;
  383.         int granted_count;                /**< Number of buffers granted */
  384. };
  385.  
  386. enum drm_ctx_flags {
  387.         _DRM_CONTEXT_PRESERVED = 0x01,
  388.         _DRM_CONTEXT_2DONLY = 0x02
  389. };
  390.  
  391. /**
  392.  * DRM_IOCTL_ADD_CTX ioctl argument type.
  393.  *
  394.  * \sa drmCreateContext() and drmDestroyContext().
  395.  */
  396. struct drm_ctx {
  397.         drm_context_t handle;
  398.         enum drm_ctx_flags flags;
  399. };
  400.  
  401. /**
  402.  * DRM_IOCTL_RES_CTX ioctl argument type.
  403.  */
  404. struct drm_ctx_res {
  405.         int count;
  406.         struct drm_ctx __user *contexts;
  407. };
  408.  
  409. /**
  410.  * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
  411.  */
  412. struct drm_draw {
  413.         drm_drawable_t handle;
  414. };
  415.  
  416. /**
  417.  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
  418.  */
  419. typedef enum {
  420.         DRM_DRAWABLE_CLIPRECTS,
  421. } drm_drawable_info_type_t;
  422.  
  423. struct drm_update_draw {
  424.         drm_drawable_t handle;
  425.         unsigned int type;
  426.         unsigned int num;
  427.         unsigned long long data;
  428. };
  429.  
  430. /**
  431.  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
  432.  */
  433. struct drm_auth {
  434.         drm_magic_t magic;
  435. };
  436.  
  437. /**
  438.  * DRM_IOCTL_IRQ_BUSID ioctl argument type.
  439.  *
  440.  * \sa drmGetInterruptFromBusID().
  441.  */
  442. struct drm_irq_busid {
  443.         int irq;        /**< IRQ number */
  444.         int busnum;     /**< bus number */
  445.         int devnum;     /**< device number */
  446.         int funcnum;    /**< function number */
  447. };
  448.  
  449. enum drm_vblank_seq_type {
  450.         _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank sequence number */
  451.         _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of vblanks */
  452.         /* bits 1-6 are reserved for high crtcs */
  453.         _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
  454.         _DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
  455.         _DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
  456.         _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for next vblank */
  457.         _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display controller */
  458.         _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
  459. };
  460. #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
  461.  
  462. #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
  463. #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
  464.                                 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
  465.  
  466. struct drm_wait_vblank_request {
  467.         enum drm_vblank_seq_type type;
  468.         unsigned int sequence;
  469.         unsigned long signal;
  470. };
  471.  
  472. struct drm_wait_vblank_reply {
  473.         enum drm_vblank_seq_type type;
  474.         unsigned int sequence;
  475.         long tval_sec;
  476.         long tval_usec;
  477. };
  478.  
  479. /**
  480.  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
  481.  *
  482.  * \sa drmWaitVBlank().
  483.  */
  484. union drm_wait_vblank {
  485.         struct drm_wait_vblank_request request;
  486.         struct drm_wait_vblank_reply reply;
  487. };
  488.  
  489. #define _DRM_PRE_MODESET 1
  490. #define _DRM_POST_MODESET 2
  491.  
  492. /**
  493.  * DRM_IOCTL_MODESET_CTL ioctl argument type
  494.  *
  495.  * \sa drmModesetCtl().
  496.  */
  497. struct drm_modeset_ctl {
  498.         __u32 crtc;
  499.         __u32 cmd;
  500. };
  501.  
  502. /**
  503.  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
  504.  *
  505.  * \sa drmAgpEnable().
  506.  */
  507. struct drm_agp_mode {
  508.         unsigned long mode;     /**< AGP mode */
  509. };
  510.  
  511. /**
  512.  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
  513.  *
  514.  * \sa drmAgpAlloc() and drmAgpFree().
  515.  */
  516. struct drm_agp_buffer {
  517.         unsigned long size;     /**< In bytes -- will round to page boundary */
  518.         unsigned long handle;   /**< Used for binding / unbinding */
  519.         unsigned long type;     /**< Type of memory to allocate */
  520.         unsigned long physical; /**< Physical used by i810 */
  521. };
  522.  
  523. /**
  524.  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
  525.  *
  526.  * \sa drmAgpBind() and drmAgpUnbind().
  527.  */
  528. struct drm_agp_binding {
  529.         unsigned long handle;   /**< From drm_agp_buffer */
  530.         unsigned long offset;   /**< In bytes -- will round to page boundary */
  531. };
  532.  
  533. /**
  534.  * DRM_IOCTL_AGP_INFO ioctl argument type.
  535.  *
  536.  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
  537.  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
  538.  * drmAgpVendorId() and drmAgpDeviceId().
  539.  */
  540. struct drm_agp_info {
  541.         int agp_version_major;
  542.         int agp_version_minor;
  543.         unsigned long mode;
  544.         unsigned long aperture_base;    /* physical address */
  545.         unsigned long aperture_size;    /* bytes */
  546.         unsigned long memory_allowed;   /* bytes */
  547.         unsigned long memory_used;
  548.  
  549.         /* PCI information */
  550.         unsigned short id_vendor;
  551.         unsigned short id_device;
  552. };
  553.  
  554. /**
  555.  * DRM_IOCTL_SG_ALLOC ioctl argument type.
  556.  */
  557. struct drm_scatter_gather {
  558.         unsigned long size;     /**< In bytes -- will round to page boundary */
  559.         unsigned long handle;   /**< Used for mapping / unmapping */
  560. };
  561.  
  562. /**
  563.  * DRM_IOCTL_SET_VERSION ioctl argument type.
  564.  */
  565. struct drm_set_version {
  566.         int drm_di_major;
  567.         int drm_di_minor;
  568.         int drm_dd_major;
  569.         int drm_dd_minor;
  570. };
  571.  
  572. /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
  573. struct drm_gem_close {
  574.         /** Handle of the object to be closed. */
  575.         __u32 handle;
  576.         __u32 pad;
  577. };
  578.  
  579. /** DRM_IOCTL_GEM_FLINK ioctl argument type */
  580. struct drm_gem_flink {
  581.         /** Handle for the object being named */
  582.         __u32 handle;
  583.  
  584.         /** Returned global name */
  585.         __u32 name;
  586. };
  587.  
  588. /** DRM_IOCTL_GEM_OPEN ioctl argument type */
  589. struct drm_gem_open {
  590.         /** Name of object being opened */
  591.         __u32 name;
  592.  
  593.         /** Returned handle for the object */
  594.         __u32 handle;
  595.  
  596.         /** Returned size of the object */
  597.         __u64 size;
  598. };
  599.  
  600. #define DRM_CAP_DUMB_BUFFER             0x1
  601. #define DRM_CAP_VBLANK_HIGH_CRTC        0x2
  602. #define DRM_CAP_DUMB_PREFERRED_DEPTH    0x3
  603. #define DRM_CAP_DUMB_PREFER_SHADOW      0x4
  604. #define DRM_CAP_PRIME                   0x5
  605. #define  DRM_PRIME_CAP_IMPORT           0x1
  606. #define  DRM_PRIME_CAP_EXPORT           0x2
  607. #define DRM_CAP_TIMESTAMP_MONOTONIC     0x6
  608. #define DRM_CAP_ASYNC_PAGE_FLIP         0x7
  609.  
  610. /** DRM_IOCTL_GET_CAP ioctl argument type */
  611. struct drm_get_cap {
  612.         __u64 capability;
  613.         __u64 value;
  614. };
  615.  
  616. /**
  617.  * DRM_CLIENT_CAP_STEREO_3D
  618.  *
  619.  * if set to 1, the DRM core will expose the stereo 3D capabilities of the
  620.  * monitor by advertising the supported 3D layouts in the flags of struct
  621.  * drm_mode_modeinfo.
  622.  */
  623. #define DRM_CLIENT_CAP_STEREO_3D        1
  624.  
  625. /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
  626. struct drm_set_client_cap {
  627.         __u64 capability;
  628.         __u64 value;
  629. };
  630.  
  631. #define DRM_CLOEXEC O_CLOEXEC
  632. struct drm_prime_handle {
  633.         __u32 handle;
  634.  
  635.         /** Flags.. only applicable for handle->fd */
  636.         __u32 flags;
  637.  
  638.         /** Returned dmabuf file descriptor */
  639.         __s32 fd;
  640. };
  641.  
  642. #include <drm/drm_mode.h>
  643.  
  644. #if 0
  645. #define DRM_IOCTL_BASE                  'd'
  646. #define DRM_IO(nr)                      _IO(DRM_IOCTL_BASE,nr)
  647. #define DRM_IOR(nr,type)                _IOR(DRM_IOCTL_BASE,nr,type)
  648. #define DRM_IOW(nr,type)                _IOW(DRM_IOCTL_BASE,nr,type)
  649. #define DRM_IOWR(nr,type)               _IOWR(DRM_IOCTL_BASE,nr,type)
  650.  
  651. #define DRM_IOCTL_VERSION               DRM_IOWR(0x00, struct drm_version)
  652. #define DRM_IOCTL_GET_UNIQUE            DRM_IOWR(0x01, struct drm_unique)
  653. #define DRM_IOCTL_GET_MAGIC             DRM_IOR( 0x02, struct drm_auth)
  654. #define DRM_IOCTL_IRQ_BUSID             DRM_IOWR(0x03, struct drm_irq_busid)
  655. #define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
  656. #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
  657. #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
  658. #define DRM_IOCTL_SET_VERSION           DRM_IOWR(0x07, struct drm_set_version)
  659. #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
  660. #define DRM_IOCTL_GEM_CLOSE             DRM_IOW (0x09, struct drm_gem_close)
  661. #define DRM_IOCTL_GEM_FLINK             DRM_IOWR(0x0a, struct drm_gem_flink)
  662. #define DRM_IOCTL_GEM_OPEN              DRM_IOWR(0x0b, struct drm_gem_open)
  663. #define DRM_IOCTL_GET_CAP               DRM_IOWR(0x0c, struct drm_get_cap)
  664. #define DRM_IOCTL_SET_CLIENT_CAP        DRM_IOW( 0x0d, struct drm_set_client_cap)
  665.  
  666. #define DRM_IOCTL_SET_UNIQUE            DRM_IOW( 0x10, struct drm_unique)
  667. #define DRM_IOCTL_AUTH_MAGIC            DRM_IOW( 0x11, struct drm_auth)
  668. #define DRM_IOCTL_BLOCK                 DRM_IOWR(0x12, struct drm_block)
  669. #define DRM_IOCTL_UNBLOCK               DRM_IOWR(0x13, struct drm_block)
  670. #define DRM_IOCTL_CONTROL               DRM_IOW( 0x14, struct drm_control)
  671. #define DRM_IOCTL_ADD_MAP               DRM_IOWR(0x15, struct drm_map)
  672. #define DRM_IOCTL_ADD_BUFS              DRM_IOWR(0x16, struct drm_buf_desc)
  673. #define DRM_IOCTL_MARK_BUFS             DRM_IOW( 0x17, struct drm_buf_desc)
  674. #define DRM_IOCTL_INFO_BUFS             DRM_IOWR(0x18, struct drm_buf_info)
  675. #define DRM_IOCTL_MAP_BUFS              DRM_IOWR(0x19, struct drm_buf_map)
  676. #define DRM_IOCTL_FREE_BUFS             DRM_IOW( 0x1a, struct drm_buf_free)
  677.  
  678. #define DRM_IOCTL_RM_MAP                DRM_IOW( 0x1b, struct drm_map)
  679.  
  680. #define DRM_IOCTL_SET_SAREA_CTX         DRM_IOW( 0x1c, struct drm_ctx_priv_map)
  681. #define DRM_IOCTL_GET_SAREA_CTX         DRM_IOWR(0x1d, struct drm_ctx_priv_map)
  682.  
  683. #define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
  684. #define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
  685.  
  686. #define DRM_IOCTL_ADD_CTX               DRM_IOWR(0x20, struct drm_ctx)
  687. #define DRM_IOCTL_RM_CTX                DRM_IOWR(0x21, struct drm_ctx)
  688. #define DRM_IOCTL_MOD_CTX               DRM_IOW( 0x22, struct drm_ctx)
  689. #define DRM_IOCTL_GET_CTX               DRM_IOWR(0x23, struct drm_ctx)
  690. #define DRM_IOCTL_SWITCH_CTX            DRM_IOW( 0x24, struct drm_ctx)
  691. #define DRM_IOCTL_NEW_CTX               DRM_IOW( 0x25, struct drm_ctx)
  692. #define DRM_IOCTL_RES_CTX               DRM_IOWR(0x26, struct drm_ctx_res)
  693. #define DRM_IOCTL_ADD_DRAW              DRM_IOWR(0x27, struct drm_draw)
  694. #define DRM_IOCTL_RM_DRAW               DRM_IOWR(0x28, struct drm_draw)
  695. #define DRM_IOCTL_DMA                   DRM_IOWR(0x29, struct drm_dma)
  696. #define DRM_IOCTL_LOCK                  DRM_IOW( 0x2a, struct drm_lock)
  697. #define DRM_IOCTL_UNLOCK                DRM_IOW( 0x2b, struct drm_lock)
  698. #define DRM_IOCTL_FINISH                DRM_IOW( 0x2c, struct drm_lock)
  699.  
  700. #define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct drm_prime_handle)
  701. #define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct drm_prime_handle)
  702.  
  703. #define DRM_IOCTL_AGP_ACQUIRE           DRM_IO(  0x30)
  704. #define DRM_IOCTL_AGP_RELEASE           DRM_IO(  0x31)
  705. #define DRM_IOCTL_AGP_ENABLE            DRM_IOW( 0x32, struct drm_agp_mode)
  706. #define DRM_IOCTL_AGP_INFO              DRM_IOR( 0x33, struct drm_agp_info)
  707. #define DRM_IOCTL_AGP_ALLOC             DRM_IOWR(0x34, struct drm_agp_buffer)
  708. #define DRM_IOCTL_AGP_FREE              DRM_IOW( 0x35, struct drm_agp_buffer)
  709. #define DRM_IOCTL_AGP_BIND              DRM_IOW( 0x36, struct drm_agp_binding)
  710. #define DRM_IOCTL_AGP_UNBIND            DRM_IOW( 0x37, struct drm_agp_binding)
  711.  
  712. #define DRM_IOCTL_SG_ALLOC              DRM_IOWR(0x38, struct drm_scatter_gather)
  713. #define DRM_IOCTL_SG_FREE               DRM_IOW( 0x39, struct drm_scatter_gather)
  714.  
  715. #define DRM_IOCTL_WAIT_VBLANK           DRM_IOWR(0x3a, union drm_wait_vblank)
  716.  
  717. #define DRM_IOCTL_UPDATE_DRAW           DRM_IOW(0x3f, struct drm_update_draw)
  718.  
  719. #define DRM_IOCTL_MODE_GETRESOURCES     DRM_IOWR(0xA0, struct drm_mode_card_res)
  720. #define DRM_IOCTL_MODE_GETCRTC          DRM_IOWR(0xA1, struct drm_mode_crtc)
  721. #define DRM_IOCTL_MODE_SETCRTC          DRM_IOWR(0xA2, struct drm_mode_crtc)
  722. #define DRM_IOCTL_MODE_CURSOR           DRM_IOWR(0xA3, struct drm_mode_cursor)
  723. #define DRM_IOCTL_MODE_GETGAMMA         DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
  724. #define DRM_IOCTL_MODE_SETGAMMA         DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
  725. #define DRM_IOCTL_MODE_GETENCODER       DRM_IOWR(0xA6, struct drm_mode_get_encoder)
  726. #define DRM_IOCTL_MODE_GETCONNECTOR     DRM_IOWR(0xA7, struct drm_mode_get_connector)
  727. #define DRM_IOCTL_MODE_ATTACHMODE       DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  728. #define DRM_IOCTL_MODE_DETACHMODE       DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  729.  
  730. #define DRM_IOCTL_MODE_GETPROPERTY      DRM_IOWR(0xAA, struct drm_mode_get_property)
  731. #define DRM_IOCTL_MODE_SETPROPERTY      DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
  732. #define DRM_IOCTL_MODE_GETPROPBLOB      DRM_IOWR(0xAC, struct drm_mode_get_blob)
  733. #define DRM_IOCTL_MODE_GETFB            DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
  734. #define DRM_IOCTL_MODE_ADDFB            DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
  735. #define DRM_IOCTL_MODE_RMFB             DRM_IOWR(0xAF, unsigned int)
  736. #define DRM_IOCTL_MODE_PAGE_FLIP        DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
  737. #define DRM_IOCTL_MODE_DIRTYFB          DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
  738.  
  739. #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
  740. #define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct drm_mode_map_dumb)
  741. #define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
  742. #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
  743. #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
  744. #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
  745. #define DRM_IOCTL_MODE_ADDFB2           DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
  746. #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES        DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
  747. #define DRM_IOCTL_MODE_OBJ_SETPROPERTY  DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
  748. #define DRM_IOCTL_MODE_CURSOR2          DRM_IOWR(0xBB, struct drm_mode_cursor2)
  749. #endif
  750.  
  751. /**
  752.  * Device specific ioctls should only be in their respective headers
  753.  * The device specific ioctl range is from 0x40 to 0x99.
  754.  * Generic IOCTLS restart at 0xA0.
  755.  *
  756.  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
  757.  * drmCommandReadWrite().
  758.  */
  759. #define DRM_COMMAND_BASE                0x40
  760. #define DRM_COMMAND_END                 0xA0
  761.  
  762. /**
  763.  * Header for events written back to userspace on the drm fd.  The
  764.  * type defines the type of event, the length specifies the total
  765.  * length of the event (including the header), and user_data is
  766.  * typically a 64 bit value passed with the ioctl that triggered the
  767.  * event.  A read on the drm fd will always only return complete
  768.  * events, that is, if for example the read buffer is 100 bytes, and
  769.  * there are two 64 byte events pending, only one will be returned.
  770.  *
  771.  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
  772.  * up are chipset specific.
  773.  */
  774. struct drm_event {
  775.         __u32 type;
  776.         __u32 length;
  777. };
  778.  
  779. #define DRM_EVENT_VBLANK 0x01
  780. #define DRM_EVENT_FLIP_COMPLETE 0x02
  781.  
  782. struct drm_event_vblank {
  783.         struct drm_event base;
  784.         __u64 user_data;
  785.         __u32 tv_sec;
  786.         __u32 tv_usec;
  787.         __u32 sequence;
  788.         __u32 reserved;
  789. };
  790.  
  791. /* typedef area */
  792. #ifndef __KERNEL__
  793. typedef struct drm_clip_rect drm_clip_rect_t;
  794. typedef struct drm_drawable_info drm_drawable_info_t;
  795. typedef struct drm_tex_region drm_tex_region_t;
  796. typedef struct drm_hw_lock drm_hw_lock_t;
  797. typedef struct drm_version drm_version_t;
  798. typedef struct drm_unique drm_unique_t;
  799. typedef struct drm_list drm_list_t;
  800. typedef struct drm_block drm_block_t;
  801. typedef struct drm_control drm_control_t;
  802. typedef enum drm_map_type drm_map_type_t;
  803. typedef enum drm_map_flags drm_map_flags_t;
  804. typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
  805. typedef struct drm_map drm_map_t;
  806. typedef struct drm_client drm_client_t;
  807. typedef enum drm_stat_type drm_stat_type_t;
  808. typedef struct drm_stats drm_stats_t;
  809. typedef enum drm_lock_flags drm_lock_flags_t;
  810. typedef struct drm_lock drm_lock_t;
  811. typedef enum drm_dma_flags drm_dma_flags_t;
  812. typedef struct drm_buf_desc drm_buf_desc_t;
  813. typedef struct drm_buf_info drm_buf_info_t;
  814. typedef struct drm_buf_free drm_buf_free_t;
  815. typedef struct drm_buf_pub drm_buf_pub_t;
  816. typedef struct drm_buf_map drm_buf_map_t;
  817. typedef struct drm_dma drm_dma_t;
  818. typedef union drm_wait_vblank drm_wait_vblank_t;
  819. typedef struct drm_agp_mode drm_agp_mode_t;
  820. typedef enum drm_ctx_flags drm_ctx_flags_t;
  821. typedef struct drm_ctx drm_ctx_t;
  822. typedef struct drm_ctx_res drm_ctx_res_t;
  823. typedef struct drm_draw drm_draw_t;
  824. typedef struct drm_update_draw drm_update_draw_t;
  825. typedef struct drm_auth drm_auth_t;
  826. typedef struct drm_irq_busid drm_irq_busid_t;
  827. typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
  828.  
  829. typedef struct drm_agp_buffer drm_agp_buffer_t;
  830. typedef struct drm_agp_binding drm_agp_binding_t;
  831. typedef struct drm_agp_info drm_agp_info_t;
  832. typedef struct drm_scatter_gather drm_scatter_gather_t;
  833. typedef struct drm_set_version drm_set_version_t;
  834. #endif
  835.  
  836. #endif
  837.